com.github.vincentrussell.json.datagenerator.functions

Class FunctionRegistry

java.lang.Object

com.github.vincentrussell.json.datagenerator.functions.FunctionRegistry

public final class FunctionRegistry
extends Object

Class responsible for registering functions so that they can be used from within the data generator

Constructor Summary

Constructors

Constructor and Description
FunctionRegistry() this is a singleton so private constructor

Method Summary

Modifier and Type	Method and Description
String	executeFunction(String functionName, String... arguments) execution a function based on the name of that function and it's argumetns
Map<String,String>	getGetAndPutCache() the cache that is used to gets and puts in the Get and Put
Method	getMethod(String functionName, String... arguments) find a method based on name and it's arguments
Map<String,IndexHolder>	getStringIndexHolderMap() get the map that is responsible for keeping track of indices via the IndexHolder
void	registerClass(Class<?> clazz) register a class that has functions

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FunctionRegistry

public FunctionRegistry()

this is a singleton so private constructor

Method Detail

getGetAndPutCache

public Map<String,String> getGetAndPutCache()

the cache that is used to gets and puts in the Get and Put

Returns:

the cache as map

getStringIndexHolderMap

public Map<String,IndexHolder> getStringIndexHolderMap()

get the map that is responsible for keeping track of indices via the IndexHolder

Returns:

the index holder as a map

registerClass

public void registerClass(Class<?> clazz)

register a class that has functions

Parameters:

clazz - the class that has the Function and FunctionInvocation

executeFunction

public String executeFunction(String functionName,
                              String... arguments)
                       throws InvocationTargetException,
                              IllegalAccessException

execution a function based on the name of that function and it's argumetns

Parameters:

functionName - the function name

arguments - the arguments

Returns:

the result of the function

Throws:

InvocationTargetException - if there is an issue running the function

IllegalAccessException - if there is a issue getting a hold of the method responsible for serving the function

getMethod

public Method getMethod(String functionName,
                        String... arguments)
                 throws IllegalArgumentException

find a method based on name and it's arguments

Parameters:

functionName - name of functions

arguments - arguments to call on function

Returns:

the method found

Throws:

IllegalArgumentException - if there is an issue grabbing the method